Question 1

A student is examining a slide of epithelial tissue under a microscope. Which of the following characteristics would best help the student distinguish epithelial tissue from connective tissue?

Accepted Answer

Epithelial tissue has closely packed cells with minimal extracellular space.

Question 2

During a laboratory practical, you are asked to identify the phase of mitosis in a cell where chromosomes are aligned at the cell's equator. Which phase is this, and what is the main event occurring?

Accepted Answer

Metaphase; chromosomes align at the metaphase plate.

Question 3

A patient suffers a burn that destroys the entire epidermis and part of the dermis. Which type of tissue is primarily affected, and what is a likely consequence?

Accepted Answer

Epithelial tissue; increased risk of dehydration and infection.

Question 4

Which of the following best describes the function of the plasma membrane in a human cell?

Accepted Answer

It regulates the movement of substances into and out of the cell.

Question 5

A scientist is using the metric system to measure the length of a nerve fiber. If the fiber is 0.005 meters long, what is its length in millimeters? Use the conversion $$1 \ 	ext{meter} = 1000 \ 	ext{millimeters}.$$

Accepted Answer

$$5 \ 	ext{mm}$$

Question 6

Which organelle is responsible for producing most of the cell's ATP, and what is the main process called?

Accepted Answer

Mitochondrion; cellular respiration

Question 7

A student is asked to identify the correct anatomical position. Which of the following descriptions is accurate?

Accepted Answer

Standing upright, facing forward, arms at the sides with palms facing forward.

Question 8

A patient has a fracture in the femur. Which body cavity and organ system are primarily involved?

Accepted Answer

None of the above; the femur is part of the appendicular skeleton in the skeletal system.

Question 9

Which of the following best explains why muscle tissue is able to contract and generate force?

Accepted Answer

Muscle tissue contains contractile proteins such as actin and myosin.

Question 10

A laboratory experiment requires you to prepare a 0.9% saline solution. If you dissolve 9 grams of NaCl in enough water to make 1 liter of solution, what is the concentration in percent?

Accepted Answer

$$0.9\%$$

Question 11

Which of the following scenarios best demonstrates the application of directional terminology in anatomy?

Accepted Answer

Describing the heart as superior to the diaphragm.

Question 12

A student observes a tissue sample with cells embedded in a matrix containing collagen fibers and few cells. Which tissue type is most likely being observed?

Accepted Answer

Connective tissue

Question 13

During a sheep brain dissection, a student accidentally cuts the spinal cord. Which function is most likely to be immediately affected?

Accepted Answer

Voluntary muscle movement below the cut

Question 14

Which of the following best describes the role of the integumentary system?

Accepted Answer

Regulating body temperature and serving as a barrier to pathogens

Question 15

A patient presents with a loss of sensation and movement in the lower limbs after a spinal injury. Which part of the nervous system is most likely damaged?

Accepted Answer

Spinal cord

Question 16

Which of the following is a correct example of using the scientific method in a laboratory setting?

Accepted Answer

Formulating a hypothesis, conducting an experiment, and analyzing the data to draw a conclusion.

Question 17

A student is asked to calculate the total magnification when using a microscope with a 10x ocular lens and a 40x objective lens. What is the total magnification?

Accepted Answer

$$400	imes$$

Question 18

Which of the following best explains why the nervous system is able to rapidly transmit signals throughout the body?

Accepted Answer

Nervous tissue contains cells with long extensions called axons that conduct electrical impulses.

Question 19

A patient is diagnosed with osteoporosis, a condition characterized by decreased bone density. Which type of tissue is primarily affected, and what is a likely consequence?

Accepted Answer

Connective tissue (bone); increased risk of fractures.

Question 20

A student is asked to explain the difference between the axial and appendicular skeletons. Which of the following statements is correct?

Accepted Answer

The axial skeleton consists of the skull, vertebral column, and rib cage, while the appendicular skeleton includes the limbs and girdles.

Anatomy and Physiology I Lab Syllabus and Study Guide

Study Guide - Practice Questions

Study Guide - Flashcards