Bioscience mock exam 1 QMP

Question 1

Which of the following chemicals is not normally detected in the urine of a healthy individual?

uric acid

urea

H+

glucose

sodium

Answer 1

glucose

Question 2

Which of the following particles is found inside the nucleus of an atom?

DNA & RNA

protons, neutrons and electrons

protons and neutrons

protons only

None of the choices are correct

Answer 2

protons and neutrons

Question 3

The large intestine absorbs

sodium

vitamins

water

chloride

All of the choices are correct

Answer 3

All of the choices are correct

Question 4

Which layer of skin contains large numbers of blood capillaries involved in body temperature regulation

hypodermis

epidermis

stratum basale

stratumm corneum

dermis

Answer 4

dermis

Question 5

Most substances absorbed into the blood in the small intestibe are carried to the liver by the

hepatic vein

common hepatic duct

hepatic portal vein

central vein

hepatic artery

Answer 5

hepatic portal vein

Question 6

Increased secretion of ADH from the posterior pituitary gland promotes

tubular secretion of sodium ions

tubular secretion of potassium ions

tubular reabsorption of calcium ions

tubular reabsorption of water

All of the choices are correct

Answer 6

tubular reabsorption of water

Question 7

In the anatomical position, the ring finger is __ to the little finger

medial

proximal

lateral

deep

distal

Answer 7

lateral

Question 8

Which of the following pituitary hormones controls the production and release of glucocortcoids from the adrenal cortex?

FSH

LH

ACTH

GH

ADH

Answer 8

ACTH

Question 9

What causes Atelectasis?

Tumor formation or mucus plugs

Stroke

Heart failure

Pulmonary hypertension

Answer 9

Tumor formation or mucus plugs

Question 10

All of the following are normal changes that occur in the respiratory system during exercise except?

breathing rate increases

oxygen diffusion rate across the respiratory membrane increases

blood flow to the lung increases

depth of ventilation increases

less carbon dioxide is produced in the muscles

Answer 10

less carbon dioxide is produced in the muscles

Question 11

The normal pH of blood is

4. 00 to 5.00
5. 75 to 7.00
6. 20 to 7.60
7. 35 to 7.45
8. 65 to 8.00

Answer 11

7.35 to 7.45

Question 12

This layer of the epidermis contains dead keratinized cells that are continuously sloughed from the surface of the body

stratum spinosum

stratum granulosum

stratum corneum

stratum basale

stratum lucidum

Answer 12

stratum corneum

Question 13

Which statement is correct?

All tumours form in solid tissues

All tumours are cancerous

All cancers are tumours

All tumours can spread throughout the body

Answer 13

All tumours form in solid tissues

Question 14

The term metabolism refers to

oxidation reactions

anabolic reactions

reduction reactions

catabolic reactions

all chemical reactions of the body

Answer 14

all chemical reactions of the body

Question 15

The chemical symbol for sodium is

N

Na

Mg

Sn

S

Answer 15

Na

Question 16

The science that deals with medical problems and care of the elderly is called

pathology

obstetrics

pharmacology

epidermiology

geriatrics

Answer 16

geriatrics

Question 17

The false vocal cords

aid in the production of low pitch sound

produce the highest volume sounds

are located in the lower larynx

All of these choices are correct

None of these choices are correct

Answer 17

None of the choices are correct

Question 18

The plane that divides the body into superior and inferior portion is a

tranverse plane

parasagittal plane

midsagittal plane

frontal plane

oblique plane

Answer 18

tranverse plane

Question 19

The circulatory route that brings nutrient rich oxygenated blood to the tissues throughout the body and back to the heart is the

cerebral circulation

coronary circulation

systemic circulation

pulmonary circulation

hepatic portal circulation

Answer 19

Systemic circulation

Question 20

Which of the following blood vessels would have the highest systolic blood pressure

a small capillary

pulmonary vein

superior vena cava

brachial artery

aorta

Answer 20

aorta

Question 21

The cells in the pancreatic islets that secrete insulin are called

cheif cells

alpha cells

beta cells

F cells

delta cells

Answer 21

beta cells

Question 22

Which of the following chambers of the heart has the thickest myocardium?

left ventricle

right ventricle

All heart chambers have equal thickness

right atrium

left atrium

Answer 22

left ventricle

Question 23

The clinical term for high blood pressure in adults is

Hypertonic

Hypertension

Hypotension

Hyperglycaemia

Answer 23

Hypertension

Question 24

The transport of respiratory gases between the lungs and body tissues is a function of

oxygen

atrial natriuretic hormone (ANH)

sodium and potassium exchange

carbon dioxide

the blood

Answer 24

the blood

Question 25

The layer of the epidermis that contains melanocytes is called the

stratum lucidum

stratum corneum

stratum spinosum

stratum granulosum

stratum basale

Answer 25

stratum basale

Question 26

Salivary amylase is an enzyme secreted into the oral cavity to start the digestion of

carbohydrates

lipids

proteins

amino acids

nucleic acids

Answer 26

carbohydrates

Question 27

Mitochondria produce

DNA

ADHD

ADD

RNA

ATP

Answer 27

ATP

Question 28

In 2019 the global number of overweight and obese children under the age of 5 was?

56 million

25 milliion

43 million

38 milliion

Answer 28

38 million

Question 29

All of the following are normal functions of the skin except

temperature regulation

sensation

excretion

protection

Vitamin B synthesis

Answer 29

Vitamin B synthesis

Question 30

Which of the following is associated with hyperglycaemia?

Rash

Fatigue

Hunger

Ketosis

Answer 30

Ketosis

Question 31

Under normal conditions, daily water loss from the body is approximately

1500 ml/day

200 ml/day

2500 ml/day

4300 ml/day

400 ml/day

Answer 31

2500 ml/day

Question 32

Which of the following is correct?

Water is ingested from food and fluid intake, and is lost through the kidneys, lungs, skin and large intestine

Water is ingested from food and fluid intake and is only lost through the kidneys and liver

Water intake is always more than water loss

Water is ingested from only fluid intake, anmd is only lost throgh the kidneys

Water is only lost through the skin and kidneys

Answer 32

Water is ingested from food and fluid intake, and is lost through the kidneys, lungs, skin and large intestine

Question 33

What reasons lead to decreased respiratory effort?

Pulmonary embolism, pneumonia

Low cardiac output, hypovolemia

Muscle weakness, Neurological mdisorder, spinal injury

Hypertension, anaemia

Answer 33

Muscle weakness, neurological disorder, spinal injury

Question 34

Glucagon is a pancreatic hormone that

stimulates conversion of liver glycogen into glucose

slows down glucose formation from lactic acid

speeds up protein synthesis within the cells

accelerates the transport of glucose from blood into the cells

promotes uptake of amino acids by muscle cells

Answer 34

stimulates conversion of liver glycogen into glucose

Question 35

The ___ is the region between the lungs from the breastbone to the vertebral column

pleural cavity

vertebral cavity

mediastuinum

manubrium

pericardium

Answer 35

mediastuinum

Question 36

The nasal cavity is lined with

stratified epithelium

squamous epithelium

cuboidal epithelium

cilitated columnar epithelium

simple epithelium

Answer 36

cilitated columnar epithelium

Question 37

Which of the following hormones is implicated in acting as a precursor for long term stress symptoms?

Leptin

ACTH

Adrenalin

Prolectin

Answer 37

ACTH

Question 38

Women are eight times more likely to develop a urinary tract infection than men due to

cyclic pattern of hormoine secretion

poorer immune function

difference in urine composition

shorter urethra closer to anus

Answer 38

shorter urethra closer to anus

Question 39

The circulatory route from the right ventricle to the lungs and back to the left atrium is called

hepatic portal circulation

fetal circulation

systemic circulation

pulmonary circulation

coronary circulation

Answer 39

pulmonary circulation

Question 40

Which of the following hormones are produced in
the hypothalamus?

antidiuretic hormone

insulin

adrenocorticotrpoic hormone

growth hormone

calcitonin

Answer 40

Antidiuretic hormone

Question 41

Cartilaginoius rings

make the trachea rigid to keep the airway open

are C shaped in the trachea to allow the esophagus to expand behind it

make the primary bronchi rigid to keep them open

are made of hyaline cartilage

All of the choices are correct

Answer 41

All of the choices are correct

Question 42

The thirst centre is located in the

kidney

medulla oblongata

hypothalamus

posterior pituitary gland

GI tract

Answer 42

hypothalamus

Question 43

All of the following are components of the urinary system EXCEPT the

ureter

urethra

kidneys

urinary bladder

prostate gland

Answer 43

prostate gland

Question 44

The portion of a fingernail that extends past the end of the finger is called the

nail matrix

free edge

nail root

nail body

lumula

Answer 44

free edge

Question 45

Which of the following organs is NOT an accessory structure of the digestive system?

gallbladder

liver

spleen

pancreas

teeth

Answer 45

spleen

Question 46

The large intestine absorbs

sodium

chloride

water

vitamins

All of the choices are correct

Answer 46

All of the choices are correct

Question 47

Glucose is stored in the liver and muscles as a large polysaccharide called

starch

glycogen

cellulose

sucrose

triglycerides

Answer 47

glycogen

Question 48

Which of the following blood vessels delivers deoxygenated blood to the right atrium?

vena cavae

pulmonary arteries

pulmonary trunk

pulmonary veins

aorta

Answer 48

vena cavae

Question 49

A group of related organs that have a common function is called a(n)

group

tissue

system

organism

organ

Answer 49

system

Question 50

Under resting conditions, the basic rythm of btreathing is controlled by the

pontine respiratory group

medulla oblongata

midbrain

hypothalamus

carotid arteries

Answer 50

medulla oblongata

Question 51

During tattooing, ink is deposited into the ___ of the skin

dermis

epidermis

subcutaneous fat

capillary loops of the dermal papillae

hypodermis

Answer 51

dermis

Question 52

The building blocks used to assemble complex carbohydrates are called

starches

monosaccharides

disaccharides

polysaccharides

glycogen

Answer 52

monosaccharides

Question 53

The hormone released in response to low blood calcium levels is

parathyroid hormone

growth hormone

oxytcin

thyroxine

calcitonin

Answer 53

parathyroid hormone

Question 54

Venous blood rich in substances absorbed from the gastrointestinal tract is carried to the liver by the

hepatic portal vein

jugular vein

hypophseal portal vein

hepatic vein

coronary sinus

Answer 54

hepatic portal vein

Question 55

Which of the following statements best describes essentail characteristic(s) of active transport

moves solutes down their concentration gradient

requires osmotic pressure gradient

requires both a pump and cellular energy

requires a carrier protein or pump

requires cellular energy

Answer 55

requires both a pump and cellular energy

Question 56

Exocrine glands found in the external auditory canal that secrete protective earwax are called

apocrine galnds

ceruminous glands

sebaceous glands

eccrine glands

sudoriferous glands

Answer 56

ceruminous glands

Question 57

Which of the following blood vessels would have the highest systolic blood pressure

aorta

pulmonary vein

a small capillary

superior vena cava

brachial artery

Answer 57

aorta