Question 1

Which of the following best describes the function of bile in the digestive process?

Accepted Answer

Bile emulsifies fats, increasing their surface area for enzyme action.

Question 2

A patient with a deficiency in intrinsic factor is most likely to develop which of the following conditions, and why?

Accepted Answer

Pernicious anemia, due to decreased vitamin B12 absorption.

Question 3

Which anatomical structure in the small intestine is primarily responsible for increasing surface area to maximize nutrient absorption?

Accepted Answer

Villi and microvilli

Question 4

A patient presents with high blood glucose levels and frequent urination. Which hormone is most likely deficient or ineffective, and what is the physiological impact?

Accepted Answer

Insulin; impaired glucose uptake by cells

Question 5

Which of the following best describes the sequence of blood flow from the renal artery to the glomerulus in the kidney?

Accepted Answer

Renal artery → segmental artery → interlobar artery → arcuate artery → cortical radiate artery → afferent arteriole → glomerulus

Question 6

Which of the following is TRUE regarding the nephron types in the human kidney?

Accepted Answer

Juxtamedullary nephrons are about 15% and are crucial for urine concentration.

Question 7

A patient with a gastric ulcer is most likely experiencing a breakdown in which protective mechanism of the stomach?

Accepted Answer

Mucus production by mucous cells

Question 8

Which of the following best explains why women are more prone to urinary tract infections (UTIs) than men?

Accepted Answer

Women have a shorter urethra, allowing bacteria easier access to the bladder.

Question 9

Which of the following is the correct order of the large intestine segments from beginning to end?

Accepted Answer

Cecum, ascending colon, transverse colon, descending colon, sigmoid colon, rectum, anal canal

Question 10

Which of the following best describes the function of the corpus luteum in the female reproductive system?

Accepted Answer

It secretes progesterone to maintain the uterine lining.

Question 11

A patient is unable to absorb dietary fats efficiently. Which structure is most likely malfunctioning?

Accepted Answer

Lacteals in the small intestine

Question 12

Which hormone increases water reabsorption in the kidneys, and what is the effect on urine concentration?

Accepted Answer

ADH (antidiuretic hormone); decreases urine volume and increases concentration

Question 13

Which of the following best describes the function of the glomerulus in the nephron?

Accepted Answer

It filters blood plasma into Bowman’s capsule.

Question 14

Which of the following is a correct statement about the pancreas?

Accepted Answer

It is both an endocrine and exocrine gland.

Question 15

Which of the following best describes the role of FSH and LH in the reproductive system?

Accepted Answer

FSH stimulates gamete production; LH stimulates ovulation and sex hormone production.

Question 16

A patient with undescended testes (cryptorchidism) is at risk for which of the following complications?

Accepted Answer

Reduced sperm production and possible infertility

Question 17

Which of the following best describes the function of the proximal convoluted tubule in the nephron?

Accepted Answer

It is the primary site for reabsorption of solutes and water.

Question 18

Which of the following is the main simple sugar present in seminal fluid that provides energy for sperm motility?

Accepted Answer

Fructose

Question 19

Which of the following best describes the process of urine formation in the nephron?

Accepted Answer

Filtration, reabsorption, secretion, excretion

Question 20

Which of the following is a function of the large intestine?

Accepted Answer

Absorption of water and electrolytes, formation of feces, and housing bacteria

Digestive, Urinary, & Reproductive Systems Study Guide – Step-by-Step Guidance

Study Guide - Practice Questions

Study Guide - Flashcards