Question 1

Which of the following is the correct sequence of steps for proper hand-washing technique in a laboratory setting?

Accepted Answer

Remove accessories, wet hands, apply soap, rub for 20 seconds, rinse, dry with paper towel, turn off tap with towel, dispose towel

Question 2

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

Accepted Answer

$$40 	imes 10 = 400$$

Question 3

Which part of the microscope should you use to move between different objective lenses?

Accepted Answer

Revolving nosepiece

Question 4

A scientist is testing for the presence of protein in a solution using the Biuret test. The solution turns light purple. What does this indicate?

Accepted Answer

Low concentration of protein

Question 5

Which of the following best describes the difference between dehydration synthesis and hydrolysis?

Accepted Answer

Dehydration synthesis removes water to make polymers; hydrolysis adds water to break polymers

Question 6

A patient is diagnosed with a genetic disorder that is only present when both alleles are recessive. What is the genotype of this patient?

Accepted Answer

Homozygous recessive (tt)

Question 7

Which organelle is responsible for producing ATP in the cell?

Accepted Answer

Mitochondria

Question 8

A solution is tested with Benedict's reagent and turns orange after heating. What does this result indicate?

Accepted Answer

Higher concentration of simple sugars

Question 9

Which of the following is the correct order of biological organization from smallest to largest?

Accepted Answer

Atoms → Molecules → Cells → Tissue → Organ → Organ System → Organism

Question 10

A student is viewing a specimen under the microscope and wants to switch from low power to high power. What is the correct procedure?

Accepted Answer

Rotate the nosepiece to high power, then use the fine adjustment knob to sharpen focus

Question 11

Which of the following best describes the function of the rough endoplasmic reticulum (Rough ER)?

Accepted Answer

Processes proteins by folding them into their final 3D shape

Question 12

A cell is placed in a solution and molecules move from an area of high concentration to low concentration without the use of proteins. What type of transport is this?

Accepted Answer

Simple diffusion

Question 13

Which of the following is NOT a standard safety protocol in a scientific laboratory?

Accepted Answer

Eating snacks at the lab bench

Question 14

Which organ system contains the heart and blood vessels, and in which cavity are these organs primarily located?

Accepted Answer

Cardiovascular system; thoracic cavity

Question 15

A pedigree chart shows a trait that appears only in males and skips generations. What is the most likely inheritance pattern?

Accepted Answer

X-linked recessive

Question 16

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

Accepted Answer

Regulates the amount of light reaching the specimen

Question 17

A Punnett square is used to predict the probability of offspring inheriting a trait. If both parents are heterozygous (Rr), what is the probability of an offspring being homozygous recessive (rr)?

Accepted Answer

$$\frac{1}{4}$$

Question 18

Which of the following is a function of neuroglia in nervous tissue?

Accepted Answer

Support and protect neurons

Question 19

Which part of the brain is primarily responsible for balance and fine motor control?

Accepted Answer

Cerebellum

Question 20

In a reflex arc, which structure receives the initial stimulus and which structure carries out the response?

Accepted Answer

Receptor receives stimulus; effector carries out response

Comprehensive Study Notes for ANP College: Foundations, Cells, Genetics, and Nervous System

Study Guide - Practice Questions

Study Guide - Flashcards