Question 1

Melatonin is the hormone that regulates sleep-and-wake rhythm. Which of the following endocrine glands is responsible for producing melatonin?

Accepted Answer

A) Pineal 
B) Adrenal 
C) Pituitary 
D) Hypothalamus 
A) Pineal 
B) Adrenal 
C) Pituitary 
D) Hypothalamus

Question 2

Which of the following is a substance that the kidneys remove from the blood during filtration?

Accepted Answer

A) Oxygen 
B) Red Blood Cells 
C) Salts 
D) Carbon Dioxide 
A) Oxygen 
B) Red Blood Cells 
C) Salts 
D) Carbon Dioxide

Question 3

Which of the following secretes the antidiuretic hormone?

Accepted Answer

A) Liver 
B) Lungs 
C) Pituitary gland 
D) Pineal gland 
A) Liver 
B) Lungs 
C) Pituitary gland 
D) Pineal gland

Question 4

Which of the following would an electron microscope be used to measure?

Accepted Answer

A) The strength of chemical bonds 
B) Aquatic samples 
C) Insect samples 
D) 20-nm polymer films 
A) The strength of chemical bonds 
B) Aquatic samples 
C) Insect samples 
D) 20-nm polymer films

Question 5

In which layer of the skin are the subcutaneous fat stores found?

Accepted Answer

A) Sebaceous 
B) Dermis 
C) Epidermis 
D) Hypodermis 
A) Sebaceous 
B) Dermis 
C) Epidermis 
D) Hypodermis

Question 6

Which of the following is true?

Accepted Answer

A) The female gametes are called ovaries and contain half of a set of chromosomes. 
B) The male gametes are called sperm and contain half of a set of chromosomes. 
C) The female gametes are called ova and contain full set of chromosomes. 
D) The male gametes are called eggs and contain full set of chromosomes. 
A) The female gametes are called ovaries and contain half of a set of chromosomes. 
B) The male gametes are called sperm and contain half of a set of chromosomes. 
C) The female gametes are called ova and contain full set of chromosomes. 
D) The male gametes are called eggs and contain full set of chromosomes.

Question 7

In the following dihybrid cross in pea plants, the F allele codes for full pods, f codes for constricted pods, the P allele codes for purple flowers, and the p allele codes for white flowers. What is the phenotype of the highlighted box, and what is the predicted frequency of this phenotype?

Accepted Answer

A) Full pods/purple flowers; 1/16 
B) Full pods/white flowers; 3/16 
C) Constricted pods/white flowers; 9/16 
D) Constricted pods/purple flowers; 3/16 
A) Full pods/purple flowers; 1/16 
B) Full pods/white flowers; 3/16 
C) Constricted pods/white flowers; 9/16 
D) Constricted pods/purple flowers; 3/16

Question 8

Gastric reflux occurs as a result of an improper closing of the ________________.

Accepted Answer

A) epiglottis 
B) Upper esophageal sphincter 
C) lower esophageal sphincter 
D) pyloric sphincter 
A) epiglottis 
B) Upper esophageal sphincter 
C) lower esophageal sphincter 
D) pyloric sphincter

Question 9

______________ is the exchange of oxygen and carbon dioxide across the alveolar membrane.

Accepted Answer

A) Exocytosis 
B) Osmosis 
C) Diffusion 
D) Active transport 
A) Exocytosis 
B) Osmosis 
C) Diffusion 
D) Active transport

Question 10

Which of the following is necessary to reach a sound conclusion?

Accepted Answer

A) The data shows the effect of a dependent variable 
B) Experimental data is collected from a complex experiment 
C) The data must be reported to three decimal places 
D) The collected data must be accurate and free from bias 
A) The data shows the effect of a dependent variable 
B) Experimental data is collected from a complex experiment 
C) The data must be reported to three decimal places 
D) The collected data must be accurate and free from bias

Question 11

Which of the following structures is the female gonads?

Accepted Answer

A) Cervix 
B) Vagina 
C) Uterus 
D) Ovaries 
A) Cervix 
B) Vagina 
C) Uterus 
D) Ovaries

Question 12

Which of the following is true of the function of endocrine system?

Accepted Answer

A) Chemical signals are transported via lymphatic system 
B) It coordinates body processes through hormones 
C) It controls body activities through neurotransmitters 
D) Endocrine glands deliver chemical signals directly to the target site 
A) Chemical signals are transported via lymphatic system 
B) It coordinates body processes through hormones 
C) It controls body activities through neurotransmitters 
D) Endocrine glands deliver chemical signals directly to the target site

Question 13

A well-controlled experiment was conducted where researchers noted that a new antibiotic eliminated a bacterial sinus infection. Which of the following can be inferred from this result?

Accepted Answer

A) The medication killed the bacteria responsible for the sinus infection. 
B) The medication alters the patient's DNA to help them fight off an infection. 
C) The medication acted as an antihistamine to cure the patient's runny nose. 
D) The medication helped eliminate the patient's allergies. 
A) The medication killed the bacteria responsible for the sinus infection. 
B) The medication alters the patient's DNA to help them fight off an infection. 
C) The medication acted as an antihistamine to cure the patient's runny nose. 
D) The medication helped eliminate the patient's allergies.

Question 14

Which of the following lists the heart's primary valves in the order in which blood passes through them?

Accepted Answer

A) Tricuspid, pulmonary semilunar valve, bicuspid, aortic semilunar valve 
B) Bicuspid, tricuspid, aortic semilunar valve, pulmonary semilunar valve 
C) Tricuspid, bicuspid, aortic semilunar valve, pulmonary semilunar valve 
D) Tricuspid, aortic semilunar valve, bicuspid, pulmonary semilunar valve 
A) Tricuspid, pulmonary semilunar valve, bicuspid, aortic semilunar valve 
B) Bicuspid, tricuspid, aortic semilunar valve, pulmonary semilunar valve 
C) Tricuspid, bicuspid, aortic semilunar valve, pulmonary semilunar valve 
D) Tricuspid, aortic semilunar valve, bicuspid, pulmonary semilunar valve

Question 15

Which of the following causes bone matrix synthesis and calcification?

Accepted Answer

A) Hydroxyapatite 
B) Osteoporosis 
C) Osteoclasts 
D) Osteoblasts 
A) Hydroxyapatite 
B) Osteoporosis 
C) Osteoclasts 
D) Osteoblasts

Question 16

The _________________ carries oxygen depleted blood away from the heart, while the ________________ carries oxygen-rich blood back towards the heart.

Accepted Answer

A) pulmonary vein; pulmonary artery 
B) pulmonary artery; pulmonary vein 
C) vena cava; pulmonary artery 
D) aorta; pulmonary artery 
A) pulmonary vein; pulmonary artery 
B) pulmonary artery; pulmonary vein 
C) vena cava; pulmonary artery 
D) aorta; pulmonary artery

Question 17

Which of the following statements is false?

Accepted Answer

A) Double-blind experiments have two control variables. 
B) Single-blind experiments help reduce patient bias. 
C) The research subjects in single-blind experiments are unaware of the treatment they receive. 
D) Double-blind experiments help eliminate researcher bias. 
A) Double-blind experiments have two control variables. 
B) Single-blind experiments help reduce patient bias. 
C) The research subjects in single-blind experiments are unaware of the treatment they receive. 
D) Double-blind experiments help eliminate researcher bias.

Question 18

Which of the following is the result of demyelination?

Accepted Answer

A) Neurotransmitters will not be produced 
B) Disrupted propagation of action potential along the axon 
C) Uptake of neurotransmitters will be inhibited 
D) Defective transport of organelles and macromolecules from cell body to axon 
A) Neurotransmitters will not be produced 
B) Disrupted propagation of action potential along the axon 
C) Uptake of neurotransmitters will be inhibited 
D) Defective transport of organelles and macromolecules from cell body to axon

Question 19

Which of the following components of the immune system is responsible for engulfing bacteria and cellular debris?

Accepted Answer

A) Vaccines 
B) Macrophages 
C) Interferons 
D) Pathogens 
A) Vaccines 
B) Macrophages 
C) Interferons 
D) Pathogens

Question 20

Which of the following is true about control variables?

Accepted Answer

A) Control variables are used to minimize the relative error of measurements. 
B) The control variable is the only variable measured in an experiment. 
C) Control variables are kept constant to help understand the relationship of other variables. 
D) The control variable is the only piece of data that is important during an experiment. 
A) Control variables are used to minimize the relative error of measurements. 
B) The control variable is the only variable measured in an experiment. 
C) Control variables are kept constant to help understand the relationship of other variables. 
D) The control variable is the only piece of data that is important during an experiment.

Melatonin is the hormone that regulates sleep-and-wake rhythm. Which of the following endocrine glands is responsible for producing melatonin?

Which of the following is a substance that the kidneys remove from the blood during filtration?

Which of the following secretes the antidiuretic hormone?

Which of the following would an electron microscope be used to measure?

In which layer of the skin are the subcutaneous fat stores found?

Which of the following is true?

In the following dihybrid cross in pea plants, the F allele codes for full pods, f codes for constricted pods, the P allele codes for purple flowers, and the p allele codes for white flowers. What is the phenotype of the highlighted box, and what is the predicted frequency of this phenotype?

Gastric reflux occurs as a result of an improper closing of the ________________.

______________ is the exchange of oxygen and carbon dioxide across the alveolar membrane.

Which of the following is necessary to reach a sound conclusion?

Which of the following structures is the female gonads?

Which of the following is true of the function of endocrine system?

A well-controlled experiment was conducted where researchers noted that a new antibiotic eliminated a bacterial sinus infection. Which of the following can be inferred from this result?

Which of the following lists the heart's primary valves in the order in which blood passes through them?

Which of the following causes bone matrix synthesis and calcification?

The _ carries oxygen depleted blood away from the heart, while the carries oxygen-rich blood back towards the heart.

Which of the following statements is false?

Which of the following is the result of demyelination?

Which of the following components of the immune system is responsible for engulfing bacteria and cellular debris?

Which of the following is true about control variables?

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Exam 4: ATI-TEAS-Science

Melatonin is the hormone that regulates sleep-and-wake rhythm. Which of the following endocrine glands is responsible for producing melatonin?

Which of the following is a substance that the kidneys remove from the blood during filtration?

Which of the following secretes the antidiuretic hormone?

Which of the following would an electron microscope be used to measure?

In which layer of the skin are the subcutaneous fat stores found?

Which of the following is true?

In the following dihybrid cross in pea plants, the F allele codes for full pods, f codes for constricted pods, the P allele codes for purple flowers, and the p allele codes for white flowers. What is the phenotype of the highlighted box, and what is the predicted frequency of this phenotype?

Gastric reflux occurs as a result of an improper closing of the ________________.

______________ is the exchange of oxygen and carbon dioxide across the alveolar membrane.

Which of the following is necessary to reach a sound conclusion?

Which of the following structures is the female gonads?

Which of the following is true of the function of endocrine system?

A well-controlled experiment was conducted where researchers noted that a new antibiotic eliminated a bacterial sinus infection. Which of the following can be inferred from this result?

Which of the following lists the heart's primary valves in the order in which blood passes through them?

Which of the following causes bone matrix synthesis and calcification?

The _________________ carries oxygen depleted blood away from the heart, while the ________________ carries oxygen-rich blood back towards the heart.

Which of the following statements is false?

Which of the following is the result of demyelination?

Which of the following components of the immune system is responsible for engulfing bacteria and cellular debris?

Which of the following is true about control variables?

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The _ carries oxygen depleted blood away from the heart, while the carries oxygen-rich blood back towards the heart.