WorksheetsSistem Pentaksiran Bersepadu
Total questions: 61
Worksheet time: 31mins
are mainly found on the surfaces of B cells as antigen receptors.
IgA
IgD
IgE
IgM
is the ability of the antigen to respond specifically with the antibodies or cells it provokes.
Memory
Reactivity
Specificity
Immunogenicity
is the primary organ where T cells become immunocompetent.
Spleen
Thymus
Lymph nodes
Red bone marrow
are the site of proliferation of B cells and T cells.
Spleen
Thymus
Lymph nodes
Red bone marrow
indicates ventricular repolarization and occurs just as the ventricles are starting to relax.
Pwave
Twave
S-Tsegment
QRS complex
initiates the intrinsic conduction system of the heart.
AVnode
SAnode
Purkinje fibers
Bundle of His
Damage to which area of the brain is most likely to result in language impairment?
Frontal lobe.
Parietal lobe.
Occipital lobe.
Temporal lobe.
Glomerulus is located in the
renal cortex.
renal pelvis.
renal capsule.
renal medulla.
Hormone that regulates blood glucose levels by promoting the uptake of glucose into cells are
insulin.
cortisol.
glucagon.
thyroxine.
Hormones produced by the adrenal cortex that are involved in the regulation of salt and water balance in the body is
cortisol.
aldosterone.
epinephrine.
norepinephrine.
In the lymphatic system, lacteals play an important role in
filtering the bile.
absorbing ion from food.
absorbing large proteins into the liver.
transporting dietary lipids into the bloodstream.
lons that trigger the synaptic vesicles to release neurotransmitters during synaptic transmission is
sodiumion.
calciumion.
chloride ion.
potassium ion.
Part of the brain that is responsible for coordinating voluntary muscle movement and maintaining body posture is
cerebrum.
brainstem.
thalamus.
cerebellum.
Primary causes of the repolarization phase of the action potential is
influx of Na+ ions.
efflux of K+ ions.
influx of Cl- ions.
efflux of Ca2+ions.
Specialized cells in the juxtaglomerular apparatus that sense changes in blood pressure are
podocytes.
macula densa.
mesangial cells.
renal tubular cells.
Spinal nerves that serve the motor and sensory functions of the neck and arm are
sacral nerves.
lumbar nerves.
thoracic nerves.
cervical nerves.
Structures that protect the brain and spinal cord from mechanical injury include
meninges.
ventricles.
blood-brain barrier.
cerebrospinal fluid.
The drains lymph plasma from the head and neck.
jugular trunks
lumbar trunks
subclavian trunks
bronchomediastinal trunks
The apex of the heart is formed by
leftatrium.
right atrium.
leftventricle.
right ventricle.
The circuit that pumps blood from the heart to the lungs and back to the heart is known as
cardiac circuit.
vascular circuit.
systemic circuit.
pulmonary circuit.
The complement system in the immune system is responsible for
neutralizing intracellular antigens.
stimulating T-helper cells proliferation.
producing antibodies against viral antigens.
enhancing phagocytosis and lysis of pathogens.
The component of the vascular wall that is most prominent in arteries compared to veins is
endothelium.
tunica media.
tunica intima.
tunica externa.
The correct sequence for impulse transmission in the cardiac conduction system:
AV bundle, AV node, SA node, Purkinje fibers.
SAnode, AV node, AV bundle, Purkinje fibers.
AV node, AV bundle, SA node, Purkinje fibers.
SAnode, AV bundle, AV node, Purkinje fibers.
The correct sequence of urine flow from the kidney to the urinary bladder is
renal pelvis, major calyx, minor calyx, papillary duct, ureter.
papillary duct, minor calyx, major calyx, renal pelvis, ureter.
minor calyx, major calyx, papillary duct, renal pelvis, ureter.
papillary duct, major calyx, minor calyx, ureter, renal pelvis.
The cranial nerves that control the movement, sensation and abdominal organ is
vagus nerve.
olfactory nerve.
trigeminal nerve
vestibulocochlear nerve.
The following are the hormones that influence urine volume and its concentration EXCEPT:
Angiotensin.
Aldosterone.
Antidiuretic hormone.
Atrial natriuretic hormone.
The following hormones are secreted by the cortical layer of the adrenal gland EXCEPT:
Cortisol.
Androgens.
Epinephrine.
Aldosterone.
The functional area of the brain that controls the regulation of voluntary activities of the body and is responsible for intelligence, judgment, and language is
frontal lobe.
parietal lobe.
occipital lobe.
Temporal lobe.
The gland responsible for producing melatonin is
pineal gland.
adrenal gland.
pituitary gland.
parathyroid gland.
The gland that is involved in the immune response and development of T-lymphocytes is
thyroid.
thymus.
adrenal.
pituitary.
The immune response and development of T-lymphocytes is
thyroid.
thymus.
adrenal.
pituitary.
The hormone that is responsible for regulating water reabsorption in the kidneys is
renin.
antidiuretic.
aldosterone.
angiotensin.
The largest lymph vessel in the human body is the
thoracic duct.
left lymphatic duct.
right lymphatic duct.
superior vena cava.
The layer consisting of mesothelium and connective tissue in the heart is the
Epicardium
Pericardium.
Myocardium.
Endocardium.
The main function of the blood-brain barrier is
served as a physical protection of the brain.
controlling the release of neurotransmitters.
protecting the brain from pathogens and toxins.
regulating the production of cerebrospinal fluid.
The main role of the collecting duct in the nephron is
store urine.
concentrate urine.
reabsorp glucose.
filter blood plasma.
The majority of filtrate reabsorption in the nephron occurs in
glomerular capillaries.
descending loop of Henle.
distal convoluted tubules.
proximal convoluted tubules.
The most abundant class of antibody found in the plasma is
IgA.
IgE.
IgG.
IgM.
The parasympathetic nervous system is primarily involved in
dilating pupils.
increase cardiac output.
stimulate saliva secretion.
decrease the secretion of digestive enzymes.
The period when a neuron cannot fire another action potential is known as
resting period.
threshold period.
relative refractory period.
absolute refractory period.
The plateau phase of the cardiac action potential is crucial because
it causes rapid repolarization.
it shortens the duration of contraction.
it allows sodium ion channels to reset rapidly.
it permits calcium influx necessary for contraction.
The posterior pituitary stores and releases
prolactin and oxytocin.
antiduretic and oxytocin.
growth hormone and prolactin.
antidiuretic and growth hormone.
The primary function of T3 (triiodothyronine) and T4 (thyroxine) of the thyroid is to
release calcitonin.
regulate bone growth.
increase metabolic rate.
reduce blood calcium level.
The primary function of the thyroid gland is
regulation of metabolism.
regulation of blood glucose.
regulation of blood pressure.
regulation of calcium levels.
The spleen plays a role in immune surveillance by
filtering the lymph.
synthesizing immunoglobulins.
producing hormones for T cell maturation.
filtering blood and destroying old erythrocytes.
The structure of the neurons that receive nerve signals from other neurons is
axon.
cell body.
dendrites.
perikaryon.
The structure that carries urine from the kidney to the urinary bladder is
ureter.
urethra.
nephron.
renal pelvis.
The tunica media of the blood vessels consists primarily of
Collagen and macrophages.
Connective tissue with fibroblasts.
Elastic fibres and smooth muscle cells.
Endothelial cells and basement membrane.
The typical threshold potential for triggering an action potential in a neuron is
-90mv.
-70 mv.
-55mVv.
+30mv.
The vasa vasorum is best described as:
small blood vessels that nourish organs.
an arteriovenous network in the heart wall.
alyphatic structure draining blood vessels.
small blood vessels supply the walls of arteries.
The visceral serous pericardium is also known as the
epicardium
pericardium.
myocardium.
endocardium.
What is the primary function of cortisol in the body?
Promoting bone growth.
Promoting inflammation.
Regulating blood pressure.
Regulating blood glucose level.
Which blood vessels supply the kidneys with oxygenated blood?
Renal veins.
Renal arteries.
Afferent arterioles.
Efferent arterioles.
Which hormone is responsible for milk production in the mammary glands?
Oxytocin.
Prolactin.
Growth hormone.
Thyroid stimulating hormone.
Which hormone is stimulated during hypocalcemia?
Thyroid.
Cortisol.
Calcitonin.
Parathyroid.
Which muscle controls the release of urine from the bladder?
Ureter.
Detrusor muscle.
External urethral sphincter.
Internal urethral sphincter.
Which of the following cranial nerves, is NOT related to the muscle and movement of the eyes?
Troclear nerve.
Abducens nerve.
Accessory nerve.
Oculomotor nerve.
Which of the following is a primary lymphoid organ?
Spleen.
Tonsils.
Thymus.
Lymph nodes.
Which of the following is NOT a primary function of the urinary system?
Filtration of blood.
Regulation of blood pressure.
Regulation of body temperature.
Regulation of electrolyte balance.
Which of the following lobes receives sensory signals from the eye
frontal lobe.
parietal lobe.
occipital lobe.
temporal lobe.
Which phase of the action potential is characterized by the rapid influx of Na+ ions into the neuron?
Repolarization.
Depolarization.
Resting potential.
Hyperpolarization.
