ATI TEAS Nursing Entrance EXAM STUDY
GUIDE 2026/2027 COMPLETE QUESTIONS
WITH VERIFIED CORRECT ANSWERS ||
100% GUARANTEED PASS
<NEWEST VERSION>
1. Aldosterone - ANSWER ✔ Trigger: decreased blood pressure; increased K
levels
2. Function: increases reabsorption of Na from the renal tubules, causing more
water to be reabsorbed via osmosis
Result: increases blood pressure
3. Antidiuretic Hormone (ADH); also called vasopressin - ANSWER ✔
Trigger: decreased blood volume; increased osmolality of blood
4. Function: prevents fluid loss to maintain blood volume by increasing
reabsorption of water from renal tubules and collecting ducts
Result: increases blood volume
5. Erythrocytes - ANSWER ✔ red blood cells
,6. Hemoglobin - ANSWER ✔ An iron-containing protein in red blood cells
that reversibly binds oxygen.
7. Anemia - ANSWER ✔ hemoglobin levels are low because the body isn't
producing enough red blood cells, such as when someone has iron
deficiency or sickle cell trait.
8. Leukocytes - ANSWER ✔ white blood cells
9. Lymphocytes - ANSWER ✔ release antibodies in response to disease and
harness other immune system responses.
10.Platelets - ANSWER ✔ cell fragments that prevent bleeding by developing
blood clots.
11.Thrombocytopenia - ANSWER ✔ a condition in which there is an
abnormally small number of platelets circulating in the blood
12.Epiglottis - ANSWER ✔ A flap of tissue that seals off the windpipe and
prevents food from entering.
13.Which cellular organelle contains enzymes that are considered digestive?
A. Golgi Apparatus
B. Lysosomes
C. Nucleus
D. Ribosomes - ANSWER ✔ B
,14.Organs repair themselves through a process of?
A. Meiosis
B. Mitosis
C. Cellular differentiation
D. Transformation - ANSWER ✔ B
15.Which of the following is considered a model for enzyme action?
A. Lock and Key model
B. Enzyme interaction model
C. Transformation model
D. Transcription model - ANSWER ✔ A
16.Which of the following statements about enzymes is not true?
A. Enzymes are catalysts.
B. Almost all enzymes are proteins.
C. Enzymes operate most efficiently at optimum pH.
D. Enzymes are destroyed during chemical reactions. - ANSWER ✔ D
17.Which of the following statements about prostaglandins is not true?
A. Prostaglandins promote inflammation.
B. Prostaglandins can only constrict blood vessels.
C. Prostaglandins are made in the renal medulla.
D. Prostaglandins can lead to pain and fever. - ANSWER ✔ B
18.Cholesterol that is known as (LDL) stands for:
, A. Low-density lipoproteins
B. Low-density lysosomes
C. Level-density lipoproteins
D. Level-density lysosomes - ANSWER ✔ A
19.Hardening of the arteries is known as:
A. Atheriosclerosis
B. Venous narrowing
C. Micro-circulation
D. Hypertension - ANSWER ✔ A
20.The top number on a blood pressure reading indicates:
A. Diastolic pressure
B. Transient pressure
C. Optimum pressure
D. Systolic pressure - ANSWER ✔ D
21.Litmus paper that is blue will turn/stay _____ in the presence of a strong
base.
A. Orange
B. Red
C. Blue
D. Green - ANSWER ✔ C
GUIDE 2026/2027 COMPLETE QUESTIONS
WITH VERIFIED CORRECT ANSWERS ||
100% GUARANTEED PASS
<NEWEST VERSION>
1. Aldosterone - ANSWER ✔ Trigger: decreased blood pressure; increased K
levels
2. Function: increases reabsorption of Na from the renal tubules, causing more
water to be reabsorbed via osmosis
Result: increases blood pressure
3. Antidiuretic Hormone (ADH); also called vasopressin - ANSWER ✔
Trigger: decreased blood volume; increased osmolality of blood
4. Function: prevents fluid loss to maintain blood volume by increasing
reabsorption of water from renal tubules and collecting ducts
Result: increases blood volume
5. Erythrocytes - ANSWER ✔ red blood cells
,6. Hemoglobin - ANSWER ✔ An iron-containing protein in red blood cells
that reversibly binds oxygen.
7. Anemia - ANSWER ✔ hemoglobin levels are low because the body isn't
producing enough red blood cells, such as when someone has iron
deficiency or sickle cell trait.
8. Leukocytes - ANSWER ✔ white blood cells
9. Lymphocytes - ANSWER ✔ release antibodies in response to disease and
harness other immune system responses.
10.Platelets - ANSWER ✔ cell fragments that prevent bleeding by developing
blood clots.
11.Thrombocytopenia - ANSWER ✔ a condition in which there is an
abnormally small number of platelets circulating in the blood
12.Epiglottis - ANSWER ✔ A flap of tissue that seals off the windpipe and
prevents food from entering.
13.Which cellular organelle contains enzymes that are considered digestive?
A. Golgi Apparatus
B. Lysosomes
C. Nucleus
D. Ribosomes - ANSWER ✔ B
,14.Organs repair themselves through a process of?
A. Meiosis
B. Mitosis
C. Cellular differentiation
D. Transformation - ANSWER ✔ B
15.Which of the following is considered a model for enzyme action?
A. Lock and Key model
B. Enzyme interaction model
C. Transformation model
D. Transcription model - ANSWER ✔ A
16.Which of the following statements about enzymes is not true?
A. Enzymes are catalysts.
B. Almost all enzymes are proteins.
C. Enzymes operate most efficiently at optimum pH.
D. Enzymes are destroyed during chemical reactions. - ANSWER ✔ D
17.Which of the following statements about prostaglandins is not true?
A. Prostaglandins promote inflammation.
B. Prostaglandins can only constrict blood vessels.
C. Prostaglandins are made in the renal medulla.
D. Prostaglandins can lead to pain and fever. - ANSWER ✔ B
18.Cholesterol that is known as (LDL) stands for:
, A. Low-density lipoproteins
B. Low-density lysosomes
C. Level-density lipoproteins
D. Level-density lysosomes - ANSWER ✔ A
19.Hardening of the arteries is known as:
A. Atheriosclerosis
B. Venous narrowing
C. Micro-circulation
D. Hypertension - ANSWER ✔ A
20.The top number on a blood pressure reading indicates:
A. Diastolic pressure
B. Transient pressure
C. Optimum pressure
D. Systolic pressure - ANSWER ✔ D
21.Litmus paper that is blue will turn/stay _____ in the presence of a strong
base.
A. Orange
B. Red
C. Blue
D. Green - ANSWER ✔ C
