Question 1

Which of the following best describes the anatomical position of the heart in a rat during dissection?

Accepted Answer

Anterior to the diaphragm and medial to the lungs

Question 2

When using a compound light microscope, which sequence of steps is correct for focusing on a specimen at high power?

Accepted Answer

Begin with low power, use the coarse adjustment knob, then switch to high power and use the fine adjustment knob

Question 3

Which of the following correctly matches a microscope part with its function?

Accepted Answer

Objective lens: Magnifies the specimen at different powers

Question 4

A student observes a cell under a microscope at 40x objective and 10x ocular lens. What is the total magnification?

Accepted Answer

$$40 	imes 10 = 400$$

Question 5

Which body region is located inferior to the thorax and superior to the pelvis?

Accepted Answer

Abdomen

Question 6

During the cell cycle, which phase is characterized by DNA replication?

Accepted Answer

S phase

Question 7

Which organelle is responsible for ATP production in the cell?

Accepted Answer

Mitochondrion

Question 8

If a red blood cell is placed in a hypertonic solution, what will happen to the cell?

Accepted Answer

It will shrink due to water loss

Question 9

Which of the following best describes the function of the rough endoplasmic reticulum?

Accepted Answer

Protein synthesis and modification

Question 10

During mitosis, which phase is characterized by the alignment of chromosomes along the metaphase plate?

Accepted Answer

Metaphase

Question 11

A student accidentally uses the coarse adjustment knob while on high power. What is the most likely consequence?

Accepted Answer

The slide or objective lens may be damaged

Question 12

Which of the following is the correct order of the phases of mitosis?

Accepted Answer

Prophase, Metaphase, Anaphase, Telophase

Question 13

Which anatomical term describes a structure closer to the midline of the body?

Accepted Answer

Medial

Question 14

Which microscope part should be used to adjust the amount of light passing through the specimen?

Accepted Answer

Iris diaphragm

Question 15

Which of the following best describes the function of lysosomes?

Accepted Answer

Digestion of cellular waste

Question 16

If a cell is placed in an isotonic solution, what will happen to its volume?

Accepted Answer

It will remain the same

Question 17

Which region of the body is described as dorsal and superior to the lumbar region?

Accepted Answer

Scapular

Question 18

Which of the following best describes the function of the Golgi apparatus?

Accepted Answer

Modifies, sorts, and packages proteins

Question 19

During which phase of the cell cycle does cytokinesis typically occur?

Accepted Answer

Telophase

Question 20

A red blood cell placed in a hypotonic solution will:

Accepted Answer

Swell and possibly burst

BIO 127 - Anatomy and Physiology I Lab Midterm Study Guidance

Study Guide - Practice Questions