Question 1

True or false: Because women have a broader pelvis, their Q angle is smaller than the Q angle in men.

Accepted Answer

A) True 
 B)False

Question 2

Which major type of muscle in humans has a primary function in movement?

Accepted Answer

A)  smooth 
B)  cardiac 
C)  skeletal 
D)  endothelial

Question 3

-Consider the figure illustrating the two major classes of hormones and their actions. Which class of hormones would you expect to be ideally suited for long-term processes such as growth and development?

Accepted Answer

A)  protein hormones, because they can relay messages 
B)  steroid hormones, because they can turn specific genes on or off 
C)  protein hormones, because they cannot cross cell membranes 
D)  steroid hormones, because they can diffuse across cell membranes

Question 4

Which muscle component is smallest?

Accepted Answer

A)  myofibril 
B)  myosin filament 
C)  sarcomere 
D)  muscle fiber

Question 5

True or false: Because of generally larger Q angles, women may be more susceptible to knee injuries than men.

Accepted Answer

A) True 
 B)False

Question 6

Unlike most steroid-based hormones, how will protein hormones typically work?

Accepted Answer

A)  by binding to receptors on the surface of target cells 
B)  by binding to receptors inside the target cells 
C)  by binding to receptors in the nucleus of target cells 
D)  by causing target cells to turn specific genes on and off

Question 7

A patient is exhibiting symptoms that include lethargy, weight gain, and abnormal blood levels of calcium. Where does the patient potentially have a tumor?

Accepted Answer

A)  pancreas 
B)  thyroid gland 
C)  thymus 
D)  hypothalamus

Question 8

Which type of skeleton protects a human's soft internal organs?

Accepted Answer

The answer of Which type of skeleton protects a human's...

Question 9

Marble bone disease is a disease in which bone increases in mass and becomes abnormally hard. This disorder is most likely caused by the inactivity of which part of the body?

Accepted Answer

A)  bone marrow 
B)  osteoblasts 
C)  osteoclasts 
D)  vertebrae

Question 10

True or false: From infancy to adulthood, a large proportion of human growth occurs in the extremities as compared to the torso.

Accepted Answer

A) True 
 B)False

Question 11

A young person suffered a head injury that damaged her pituitary. As this person got older, what condition was the only thing that she and her doctors found that was unaffected by the injury?

Accepted Answer

A)  growth 
B)  menstrual cycle 
C)  production of breast milk 
D)  blood sugar level

Question 12

Studies have demonstrated that in some cases, female marathon runners don't exhibit a normal menstrual cycle. What fact could explain this condition in female runners?

Accepted Answer

A)  The women have too much body fat. 
B)  The women have low levels of growth hormone. 
C)  The women release too much testosterone. 
D)  The women do not have enough body fat.

Question 13

How do the hormones involved in blood calcium homeostasis actually function?

Accepted Answer

A)  Parathyroid hormone stimulates calcium deposit in bones and increases calcium uptake in the kidneys. 
B)  A falling blood calcium level causes the thyroid to release calcitonin. 
C)  Calcitonin acts to lower blood calcium levels, and parathyroid hormone acts to raise blood calcium. 
D)  Both parathyroid hormone and calcitonin act to raise blood calcium levels.

Question 14

Which is an important function of the skeletal system?

Accepted Answer

A)  providing support for the body 
B)  allowing communication between organs 
C)  excreting waste substances 
D)  utilizing energy from food

Question 15

Which structure produces immune cells and is part of the lymphatic system?

Accepted Answer

The answer of Which structure produces immune cells and is...

Question 16

Suddenly, you find yourself in a situation in which someone is shooting live ammunition at you. Which hormone is likely to be one of the first secreted as a direct response to this situation?

Accepted Answer

A)  LH 
B)  FSH 
C)  epinephrine 
D)  testosterone

Question 17

You are a famous endocrinologist and are presented with a case in which a genetically determined male (XY) exhibits secondary female characteristics, including breast development and lack of facial hair growth. What may you hypothesize about this patient?

Accepted Answer

A)  He may lack receptors for testosterone. 
B)  He may have a tumor in his testes causing an overproduction of testosterone. 
C)  He may be abusing steroids. 
D)  He may actually be perfectly healthy and normal.

Exam 21: Human Sex Differences: Endocrine, Skeletal, and Muscular Systems

True or false: Because women have a broader pelvis, their Q angle is smaller than the Q angle in men.

Which major type of muscle in humans has a primary function in movement?

-Consider the figure illustrating the two major classes of hormones and their actions. Which class of hormones would you expect to be ideally suited for long-term processes such as growth and development?

Which muscle component is smallest?

True or false: Because of generally larger Q angles, women may be more susceptible to knee injuries than men.

Unlike most steroid-based hormones, how will protein hormones typically work?

A patient is exhibiting symptoms that include lethargy, weight gain, and abnormal blood levels of calcium. Where does the patient potentially have a tumor?

Which type of skeleton protects a human's soft internal organs?

Marble bone disease is a disease in which bone increases in mass and becomes abnormally hard. This disorder is most likely caused by the inactivity of which part of the body?

True or false: From infancy to adulthood, a large proportion of human growth occurs in the extremities as compared to the torso.

A young person suffered a head injury that damaged her pituitary. As this person got older, what condition was the only thing that she and her doctors found that was unaffected by the injury?

Studies have demonstrated that in some cases, female marathon runners don't exhibit a normal menstrual cycle. What fact could explain this condition in female runners?

How do the hormones involved in blood calcium homeostasis actually function?

Which is an important function of the skeletal system?

Which structure produces immune cells and is part of the lymphatic system?

Suddenly, you find yourself in a situation in which someone is shooting live ammunition at you. Which hormone is likely to be one of the first secreted as a direct response to this situation?

You are a famous endocrinologist and are presented with a case in which a genetically determined male (XY) exhibits secondary female characteristics, including breast development and lack of facial hair growth. What may you hypothesize about this patient?