Question 1

Which of the following best describes the anatomical relationship between the heart and the lungs in the human body?

Accepted Answer

The heart is medial to the lungs.

Question 2

A patient presents with a stab wound in the left lumbar region. Which of the following organs is most likely to be affected?

Accepted Answer

Descending colon

Question 3

Which serous membrane directly covers the surface of the lungs?

Accepted Answer

Visceral pleura

Question 4

A transverse section through the abdomen would divide the body into which of the following portions?

Accepted Answer

Superior and inferior

Question 5

If a microscope has a 40x objective lens and a 10x ocular lens, what is the total magnification?

Accepted Answer

$$40 	imes 10 = 400$$

Question 6

During an experiment, potassium permanganate (MW 158g) and methylene blue (MW 320g) are placed in agar wells. Which will diffuse faster and why?

Accepted Answer

Potassium permanganate, because it has a lower molecular weight.

Question 7

A red blood cell is placed in a 10% NaCl solution. What will happen to the cell and why?

Accepted Answer

It will shrink due to water leaving the cell (crenation).

Question 8

Which of the following best defines filtration as observed in the lab experiment with copper sulfate, charcoal, and starch?

Accepted Answer

Separation of substances based on particle size using filter paper.

Question 9

Which tissue type lines the alveoli of the lungs and is specialized for rapid diffusion?

Accepted Answer

Simple squamous epithelium

Question 10

Which phase of mitosis is characterized by the alignment of chromosomes along the cell's equatorial plate?

Accepted Answer

Metaphase

Question 11

A biopsy of the esophagus reveals multiple layers of flat cells. Which epithelial tissue is present?

Accepted Answer

Stratified squamous epithelium

Question 12

Which connective tissue type is found in the dermis and provides strength in multiple directions?

Accepted Answer

Dense irregular connective tissue

Question 13

Which layer of the epidermis is only present in thick skin, such as the palms and soles?

Accepted Answer

Stratum lucidum

Question 14

A patient with a blocked sweat gland is most likely to have a problem with which function of the integumentary system?

Accepted Answer

Thermoregulation

Question 15

Which of the following best describes the function of the iris diaphragm on a microscope?

Accepted Answer

It adjusts the amount of light reaching the specimen.

Question 16

Which of the following is NOT a function of the skin?

Accepted Answer

Production of red blood cells

Question 17

Which of the following best describes the difference between the papillary and reticular layers of the dermis?

Accepted Answer

The papillary layer is superficial and contains loose areolar connective tissue.

Question 18

A dialysis bag containing starch and glucose is placed in a beaker of iodine and water. After 30 minutes, the bag turns blue-black, but the beaker does not. What does this indicate about membrane permeability?

Accepted Answer

Iodine entered the bag, but starch did not leave.

Question 19

Which of the following best describes the term 'parfocal' as it relates to microscopy?

Accepted Answer

The ability to remain in focus when switching between objective lenses.

Question 20

Which of the following is the correct order of the layers of the epidermis in thick skin, from superficial to deep?

Accepted Answer

Stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum basale

Anatomy & Physiology Lab Study Guide: Introduction, Cells, Tissues, and Integumentary System

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