Question 1

Which of the following best explains why persistent high levels of testosterone can actually decrease sperm production in males?

Accepted Answer

Persistent high testosterone activates negative feedback loops that decrease the body's own testosterone production, reducing sperm production.

Question 2

A patient is found to have normal levels of FSH but abnormally low levels of LH. Which of the following is most likely to be affected?

Accepted Answer

Production of hormones like testosterone and estrogen

Question 3

Which of the following statements about the ovarian and uterine cycles is correct?

Accepted Answer

The ovarian cycle involves events in the ovary, while the uterine cycle involves events in the uterus.

Question 4

A person consumes a diet extremely high in sugar but low in fat. Which of the following is most likely to occur if they consistently eat excess calories?

Accepted Answer

Their liver and adipose tissue can convert excess sugar into fat, leading to fat gain and possibly fatty liver disease.

Question 5

Which of the following best describes the role of bile in digestion?

Accepted Answer

Bile emulsifies fats, breaking them into smaller globules for lipase action.

Question 6

A patient has a blockage in their lacteals. Which nutrient's absorption would be most affected?

Accepted Answer

Lipids

Question 7

Which of the following best distinguishes between glucose, glycogen, and glucagon?

Accepted Answer

Glucose is a carbohydrate monomer, glycogen is a storage polymer of glucose, and glucagon is a hormone that increases blood sugar.

Question 8

A person with type 1 diabetes is most likely to have which of the following underlying problems?

Accepted Answer

Destruction of insulin-producing cells in the pancreas.

Question 9

Which of the following statements about blood flow in the human circulatory system is correct?

Accepted Answer

Blood flows from the heart to the lungs, back to the heart, then out to the body.

Question 10

Which of the following best explains why vasoconstriction increases blood pressure?

Accepted Answer

Vasoconstriction squeezes the blood vessel walls, increasing the pressure inside, similar to squeezing a balloon.

Question 11

A person is found to have a large number of polar bodies in their ovaries. What does this indicate about their reproductive process?

Accepted Answer

Polar bodies are byproducts of oocyte division and will degenerate, not become functional gametes.

Question 12

Which of the following is true regarding the absorption of nutrients in the small intestine?

Accepted Answer

Lipids are absorbed into the lymphatic system via lacteals, while most other nutrients enter the blood.

Question 13

Which of the following best describes the role of gut bacteria in human digestion?

Accepted Answer

Gut bacteria help digest certain foods and may help regulate digestion.

Question 14

A person is experiencing regular menstruation but does not ovulate. Which of the following best explains this phenomenon?

Accepted Answer

The uterus responds to hormone levels, so menstruation can occur even without ovulation.

Question 15

Which of the following is a correct statement about the pulmonary artery and vein?

Accepted Answer

The pulmonary vein carries oxygenated blood from the lungs to the heart.

Question 16

Which of the following best explains why the total cross-sectional area of capillaries is very large?

Accepted Answer

There are a vast number of narrow capillaries, so their combined cross-sectional area is very large.

Question 17

A person is diagnosed with type 2 diabetes. Which of the following best describes the underlying cause?

Accepted Answer

Cells in the body are resistant to insulin.

Question 18

Which of the following hormones is primarily responsible for thickening the uterine lining after ovulation?

Accepted Answer

Progesterone from the corpus luteum

Question 19

Which of the following best describes the relationship between hunger and blood sugar?

Accepted Answer

Hunger is mainly controlled by hormones such as ghrelin and leptin, with only an indirect link to blood sugar.

Question 20

A person is confused about the anatomical diagrams of the heart. Which of the following is correct regarding the right atrium and ventricle?

Accepted Answer

The right atrium and ventricle are on the left side of the diagram, corresponding to the patient's right.

BILD 2 Multicellular Life: Study Guide on Reproduction, Nutrition, and Circulation

Study Guide - Practice Questions

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