Question 1

Dopamine is one of the neurotransmitters in the nervous system. What happens when dopamine is released into the nerve synapse?

Accepted Answer

A) Firing of an action potential by the presynaptic cell 
B) Dopamine will enter the cytoplasm of the postsynaptic cell 
C) Excitation and contraction of the presynaptic cell 
D) Binding of dopamine to the membrane receptor of the postsynaptic cell 
A) Firing of an action potential by the presynaptic cell 
B) Dopamine will enter the cytoplasm of the postsynaptic cell 
C) Excitation and contraction of the presynaptic cell 
D) Binding of dopamine to the membrane receptor of the postsynaptic cell

Question 2

Which of the following digestive organs contains vitamin-producing bacteria?

Accepted Answer

A) Small intestine 
B) Large intestine 
C) Stomach 
D) Liver 
A) Small intestine 
B) Large intestine 
C) Stomach 
D) Liver

Question 3

Which of the following statements is true?

Accepted Answer

A) Valence electrons reside in the innermost shell of an atom. 
B) The number of orbitals that an atom has is the same for all elements. 
C) An orbital is a space around the nucleus of an atom where a proton is likely to be found. 
D) An orbital is a space around the nucleus of an atom where an electron is likely to be found. 
A) Valence electrons reside in the innermost shell of an atom. 
B) The number of orbitals that an atom has is the same for all elements. 
C) An orbital is a space around the nucleus of an atom where a proton is likely to be found. 
D) An orbital is a space around the nucleus of an atom where an electron is likely to be found.

Question 4

Which of the following units is derived from SI base units?

Accepted Answer

A) Mile 
B) Kilometer 
C) Pound 
D) Dram 
A) Mile 
B) Kilometer 
C) Pound 
D) Dram

Question 5

A hypothesis must be which of the following?

Accepted Answer

A) Testable 
B) Precise 
C) Accurate 
D) Correct 
A) Testable 
B) Precise 
C) Accurate 
D) Correct

Question 6

Which of the following statements is true?

Accepted Answer

A) The critical point is the start point of a phase equilibrium curve 
B) The critical point is a graph representing the number of atoms that change with time in a solid 
C) Freezing is the transition of a liquid to a solid 
D) Condensation is the transition of a liquid to gas 
A) The critical point is the start point of a phase equilibrium curve 
B) The critical point is a graph representing the number of atoms that change with time in a solid 
C) Freezing is the transition of a liquid to a solid 
D) Condensation is the transition of a liquid to gas

Question 7

Which of the following statements is not true about accessory structures in the skin?

Accepted Answer

A) Eccrine sweat glands are only concentrated in particular parts of the body, such as the armpits and genital region. 
B) Hair is produced from epithelial tissue that dips down into the dermis to form hair follicles. 
C) Ceruminous glands produce waxy lubricant secretion that protects the ears. 
D) Sebaceous glands secrete oily substance that prevents drying out of hair and skin. 
A) Eccrine sweat glands are only concentrated in particular parts of the body, such as the armpits and genital region. 
B) Hair is produced from epithelial tissue that dips down into the dermis to form hair follicles. 
C) Ceruminous glands produce waxy lubricant secretion that protects the ears. 
D) Sebaceous glands secrete oily substance that prevents drying out of hair and skin.

Question 8

Which of the following hormones is responsible for increasing calcium levels in the blood by stimulating bone resorption?

Accepted Answer

A) Parathyroid hormone 
B) Luteinizing hormone 
C) Insulin 
D) Thyroid hormone 
A) Parathyroid hormone 
B) Luteinizing hormone 
C) Insulin 
D) Thyroid hormone

Question 9

Which of the following is a unique property of water?

Accepted Answer

A) Its volume decreases when freezing 
B) When freezing, water molecules can form hydrogen bonds more easily 
C) Its exceptional low heat of vapourization 
D) Its low surface tension 
A) Its volume decreases when freezing 
B) When freezing, water molecules can form hydrogen bonds more easily 
C) Its exceptional low heat of vapourization 
D) Its low surface tension

Question 10

Which of the following are chemical signals that are secreted by endocrine glands and travel via circulation to their target organs?

Accepted Answer

A) Neurotransmitters 
B) Cytokines 
C) Hormones 
D) Interleukins 
A) Neurotransmitters 
B) Cytokines 
C) Hormones 
D) Interleukins

Question 11

Which of the following are produced from the reaction between a Brønsted-Lowry acid-base pair?

Accepted Answer

A) A salt and water 
B) A strong acid and weak base 
C) A weak acid and base 
D) Water and a strong base 
A) A salt and water 
B) A strong acid and weak base 
C) A weak acid and base 
D) Water and a strong base

Question 12

Which of the following describes a 'control variable' in an experiment?

Accepted Answer

A) The dependent variable 
B) The variable that changes 
C) The variable that is discarded 
D) The variable that is held constant 
A) The dependent variable 
B) The variable that changes 
C) The variable that is discarded 
D) The variable that is held constant

Question 13

Which of the following disorders is caused by the degenerative demyelination of motor neurons resulting in dysfunction of voluntary muscles?

Accepted Answer

A) Muscle sprain 
B) Muscle strain 
C) Muscular dystrophy 
D) Amyotrophic lateral sclerosis 
A) Muscle sprain 
B) Muscle strain 
C) Muscular dystrophy 
D) Amyotrophic lateral sclerosis

Question 14

Which of the following is the most plausible sequence of events?

Accepted Answer

A) Extensive car use; air pollution; less people with asthma; less healthcare expenses 
B) Born into musical family; grows up around music; starts learning guitar; plays concert 
C) Walk in the woods; stung by bee; given morphine; early death 
D) Poaching more rhinos; more export rhino horn goods; more goods with a lower economic value; economy boost 
A) Extensive car use; air pollution; less people with asthma; less healthcare expenses 
B) Born into musical family; grows up around music; starts learning guitar; plays concert 
C) Walk in the woods; stung by bee; given morphine; early death 
D) Poaching more rhinos; more export rhino horn goods; more goods with a lower economic value; economy boost

Question 15

Which of the following is not part of the adaptive immune system?

Accepted Answer

A) Macrophage cells 
B) Cytotoxic cells 
C) B-cells 
D) Helper T-cells 
A) Macrophage cells 
B) Cytotoxic cells 
C) B-cells 
D) Helper T-cells

Question 16

Which of the following describes the contraction of the smooth muscle in order to move food down the esophagus to the stomach?

Accepted Answer

A) Pharyngeal constriction 
B) Deglutition 
C) Mastication 
D) Peristalsis 
A) Pharyngeal constriction 
B) Deglutition 
C) Mastication 
D) Peristalsis

Question 17

The sympathetic division of the autonomic nervous system is primarily responsible for stimulating activities that would increase alertness during periods of stress and anxiety. Which of the following activities is not a sympathetic response?

Accepted Answer

A) Increase in salivation 
B) Increase in blood pressure 
C) Dilation of the pupils 
D) Sweating 
A) Increase in salivation 
B) Increase in blood pressure 
C) Dilation of the pupils 
D) Sweating

Question 18

DNA is  _______________.

Accepted Answer

A) lactic acid 
B) a lipid 
C) hydrochloric acid 
D) nucleic acid 
A) lactic acid 
B) a lipid 
C) hydrochloric acid 
D) nucleic acid

Question 19

Which of the following does not describe a sarcomere?

Accepted Answer

A) It completely surrounds the muscle fiber. 
B) It is made up of fibrous protein filaments. 
C) It shortens in length when actin and myosin slide past each other during contraction. 
D) It is the contractile unit of a muscle. 
A) It completely surrounds the muscle fiber. 
B) It is made up of fibrous protein filaments. 
C) It shortens in length when actin and myosin slide past each other during contraction. 
D) It is the contractile unit of a muscle.

Question 20

A chronic inflammation of joints due to autoimmune destruction of articular cartilage is called __________.

Accepted Answer

A) Osteoarthritis 
B) Brittle Bone Disease 
C) Osteoporosis 
D) Rheumatoid arthritis 
A) Osteoarthritis 
B) Brittle Bone Disease 
C) Osteoporosis 
D) Rheumatoid arthritis

Dopamine is one of the neurotransmitters in the nervous system. What happens when dopamine is released into the nerve synapse?

Which of the following digestive organs contains vitamin-producing bacteria?

Which of the following statements is true?

Which of the following units is derived from SI base units?

A hypothesis must be which of the following?

Which of the following statements is true?

Which of the following statements is not true about accessory structures in the skin?

Which of the following hormones is responsible for increasing calcium levels in the blood by stimulating bone resorption?

Which of the following is a unique property of water?

Which of the following are chemical signals that are secreted by endocrine glands and travel via circulation to their target organs?

Which of the following are produced from the reaction between a Brønsted-Lowry acid-base pair?

Which of the following describes a 'control variable' in an experiment?

Which of the following disorders is caused by the degenerative demyelination of motor neurons resulting in dysfunction of voluntary muscles?

Which of the following is the most plausible sequence of events?

Which of the following is not part of the adaptive immune system?

Which of the following describes the contraction of the smooth muscle in order to move food down the esophagus to the stomach?

The sympathetic division of the autonomic nervous system is primarily responsible for stimulating activities that would increase alertness during periods of stress and anxiety. Which of the following activities is not a sympathetic response?

DNA is _______________.

Which of the following does not describe a sarcomere?

A chronic inflammation of joints due to autoimmune destruction of articular cartilage is called __________.

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Exam 4: ATI-TEAS-Science

Dopamine is one of the neurotransmitters in the nervous system. What happens when dopamine is released into the nerve synapse?

Which of the following digestive organs contains vitamin-producing bacteria?

Which of the following statements is true?

Which of the following units is derived from SI base units?

A hypothesis must be which of the following?

Which of the following statements is true?

Which of the following statements is not true about accessory structures in the skin?

Which of the following hormones is responsible for increasing calcium levels in the blood by stimulating bone resorption?

Which of the following is a unique property of water?

Which of the following are chemical signals that are secreted by endocrine glands and travel via circulation to their target organs?

Which of the following are produced from the reaction between a Brønsted-Lowry acid-base pair?

Which of the following describes a 'control variable' in an experiment?

Which of the following disorders is caused by the degenerative demyelination of motor neurons resulting in dysfunction of voluntary muscles?

Which of the following is the most plausible sequence of events?

Which of the following is not part of the adaptive immune system?

Which of the following describes the contraction of the smooth muscle in order to move food down the esophagus to the stomach?

The sympathetic division of the autonomic nervous system is primarily responsible for stimulating activities that would increase alertness during periods of stress and anxiety. Which of the following activities is not a sympathetic response?

DNA is _______________.

Which of the following does not describe a sarcomere?

A chronic inflammation of joints due to autoimmune destruction of articular cartilage is called __________.

ATI-TEAS-English & Language Usage

ATI-TEAS-Math

ATI-TEAS-Reading

Filters