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HPAT Biology Exam Study Guide 2025 | Health Program Admission Test

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Master the Biology section of the 2025 HPAT (Health Programs Admission Test). This study guide covers cell biology, genetics, human anatomy, physiology, and ecology with practice questions and detailed answers. Boost your score for nursing, medicine, and other competitive health program admissions.

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AC-HPAT BIOLOGY EXAM (LATEST

UPDATES STUDY BUNDLE WITH COMPLETE SOLUTIONS)

QUESTIONS AND VERIFIED ANSWERS | 100%

CORRECT | GRADE A - ALGONQUIN

Pancreas and Type 1 diabetes .....ANSWER.....The pancreas is

the organ that produces insulin, and it plays a major role in

regulating blood glucose levels. Type 1 diabetes occurs when the

pancreas does not make enough or any insulin.

How does insulin work in diabetes? .....ANSWER.....Insulin pumps

are small, computerized devices that mimic the way the human

pancreas works by delivering small doses of short acting insulin

continuously (basal rate). The device also is used to deliver

variable amounts of insulin when a meal is eaten (bolus)

chemotherapy .....ANSWER.....Chemotherapy is a drug treatment

that uses powerful chemicals to kill fast-growing cells in your

,Page 2 of 66


body. Chemotherapy is most often used to treat cancer, since

cancer cells grow and multiply much more quickly than most cells

in the body. It targets cells that grow and divide quickly, as

cancer cells do. Unlike radiation or surgery, which target specific

areas, chemo can work throughout your body. But it can also

affect some fast-growing healthy cells, like those of the skin, hair,

intestines, and bone marrow.

How can stem cells be used in the treatment of leukemia? And

how effective is it? .....ANSWER.....Stem cell transplant replaces

the leukemia cells in your bone marrow with new ones that make

blood. Your doctor can get the new stem cells from your own

body or from a donor. Stem cell transplantation is effective

against leukemia. In many cases, however, the transferred

immune cells of the donor also attack the recipients' healthy

tissue—often with fatal consequences. ... Stem cell therapy offers

,Page 3 of 66


people suffering from leukemia or bone-marrow cancer the

chance of full recovery.

Why is laser technology more effective than conventional

surgery in removing cancerous tumours? .....ANSWER.....Lasers are

more precise than standard surgical tools (scalpels), so they do

less damage to normal tissues. As a result, patients usually have

less pain, bleeding, swelling, and scarring. With laser therapy,

operations are usually shorter.

Urinary system .....ANSWER.....· The urinary system, also known as

the renal system or urinary tract, consists of the kidneys, ureters,

bladder, and the urethra. The purpose of the urinary system is to

eliminate waste from the body, regulate blood volume and

blood pressure, control levels of electrolytes and metabolites,

and regulate blood pH

Nanotechnology .....ANSWER.....Nanotechnology can provide

rapid and sensitive detection of cancer-related molecules,

, Page 4 of 66


enabling scientists to detect molecular changes even when they

occur only in a small percentage of cells.

Mercury poisoning .....ANSWER.....The most common cause of

mercury poisoning is from consuming too much methyl mercury or

organic mercury, which is linked to eating seafood. Small

amounts of mercury are present in everyday foods and products,

which may not affect your health. Too much mercury, however,

can be poisonous. Mercury salts affect primarily the

gastrointestinal tract and the kidneys, and can cause severe

kidney damage; however, as they cannot cross the blood-brain

barrier easily, these salts inflict little neurological damage

without continuous or heavy exposure.

How can ultraviolet light from the sun affect the cells of the

human eye? .....ANSWER.....UV rays may lead to macular

degeneration, a leading cause of vision loss for older Americans.

UV rays, especially UV-B rays, may also cause some kinds of
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