Question 1

A patient presents with a yellowish tint to their skin and the whites of their eyes. Which of the following best explains the underlying cause of this condition?

Accepted Answer

Breakdown of red blood cells leading to accumulation of bilirubin

Question 2

Which of the following best describes the function of the stratum spinosum in the epidermis?

Accepted Answer

It contains pre-keratin filaments and is where Langerhans cells are found

Question 3

A burn patient has damage extending through the epidermis, dermis, and into the hypodermis. Which of the following complications is most likely to occur?

Accepted Answer

Increased risk of shock and infection

Question 4

Which of the following best distinguishes dense regular connective tissue from dense irregular connective tissue?

Accepted Answer

Dense regular connective tissue has collagen fibers aligned in parallel, providing strength in one direction

Question 5

A biopsy of a gland reveals that it secretes its product directly into the bloodstream without the use of ducts. Which type of gland is this?

Accepted Answer

Endocrine gland

Question 6

Which of the following best explains why the hypodermis is a good site for drug injection?

Accepted Answer

It is close to the blood supply and contains subcutaneous fat

Question 7

A patient is diagnosed with albinism. Which of the following best describes the underlying cause?

Accepted Answer

Lack of melanin due to a genetic defect in melanin synthesis

Question 8

Which of the following is a property that distinguishes epithelial tissue from connective tissue?

Accepted Answer

Cells are tightly packed with little extracellular matrix and have a basement membrane

Question 9

A histological section shows multiple layers of flat cells on the surface, with the deepest cells appearing cuboidal or columnar. Which type of epithelium is this?

Accepted Answer

Stratified squamous epithelium

Question 10

Which of the following best describes the function of Langerhans cells in the epidermis?

Accepted Answer

They act as immune cells, detecting and presenting antigens to other immune cells

Question 11

A patient has a mutation that prevents the formation of tight junctions in their epithelial cells. Which of the following is the most likely consequence?

Accepted Answer

Increased movement of substances between cells

Question 12

Which of the following equations correctly represents the relationship between the number of cells in a tissue after hyperplasia, given an initial number of cells $$N_0$$ and a rate of increase $$r$$ over time $$t$$?

Accepted Answer

$$N = N_0$ 	imes e$$^{r t}$$

Question 13

Which of the following best describes the function of Meissner's corpuscles in the dermal papillae?

Accepted Answer

They are responsible for detecting light touch and texture

Question 14

A patient with a genetic defect in collagen synthesis is most likely to have problems with which tissue type?

Accepted Answer

Connective tissue

Question 15

Which of the following best explains why thick skin is found on the palms and soles?

Accepted Answer

It has an extra layer, the stratum lucidum, and more keratinized layers for protection against friction

Question 16

Which of the following is a function of the hypodermis?

Accepted Answer

Storage of energy in the form of fat

Question 17

A patient has a tumor that is classified as neoplasia. Which of the following best describes this process?

Accepted Answer

Abnormal growth of tissue

Question 18

Which of the following best describes the difference between serous and mucous membranes?

Accepted Answer

Serous membranes line internal body cavities and secrete watery fluid; mucous membranes line body cavities open to the exterior and secrete mucus

Question 19

A patient with a mutation affecting the function of gap junctions in cardiac muscle would most likely experience which of the following?

Accepted Answer

Impaired electrical conduction between cardiac cells

Question 20

Which of the following best describes the function of fibroblasts in connective tissue?

Accepted Answer

They produce collagen and other fibers for the extracellular matrix

Anatomy & Physiology: Skin, Tissues, and Glands Study Guide

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