With Accurate Answers Graded A+ (2024/2025)
which of the following pairs correctly matches a cellular organelle with its function?
Golgi apparatus- protein synthesis
smooth endoplasmic reticulum- energy production
cytoskeleton- movement
cell membrane- storage - ✔️✔️cytoskeleton- movement
which of the following describes an anatomical relationship between two structures in
the human body?
the mouth is anterior to the nose
the ribs are lateral to the sternum
the patella is inferior to the tibia
muscles are superficial to skin - ✔️✔️the ribs are lateral to the sternum
which of these is directly involved in synthesis of red blood cells in an adult?
liver
spleen
bone marrow
lymph nodes - ✔️✔️bone marrow
at the end of a spring, a runner breathes hard because the medulla oblongata senses
which of the following?
low oxygen levels in blood
low carbon dioxide levels in blood
blood becoming more alkaline
blood becoming more acidic - ✔️✔️blood becoming more acidic
which of the following situations would result in increased oxygen diffusion from alveoli
into blood?
increase in perfusion and decrease in ventilation
increase in oxygen concentration of blood
reduction in alveolar surface area
reduction in residual volume of the lung - ✔️✔️reduction in residual volume of the lung
match the following respiratory system effects to their most probable cause
walking pneumonia coronavirus
, cystic fibrosis mycobacterium
influenza gene mutation
tuberculosis fungus
mycosis mycoplasma infection - ✔️✔️walking pneumonia- mycoplasma infection
cystic fibrosis-gene mutation
influenza-coronavirus
tuberculosis-mycobacterium
mycosis-fungus
which of the following describes a property of cardiac cells?
generation of electrical impulses
production of red blood cells
immune protection functions
removal of waste products from the body - ✔️✔️generation of electrical impulses
which of the following blood component levels would be expected to increase following
vaccination?
red blood cells
antibodies
dissolved gases
leukocytes - ✔️✔️antibodies
which of the following statements regarding the circulatory system is correct?
the sinoatrial node is present in the top section of the right atrium
all veins carry deoxygenated blood back to the heart
the heart's "lub-dub" sound is caused by electrical impulse generation
the hearts atria have thicker walls than the ventricles - ✔️✔️the sinoatrial node is present
in the top section of the right atrium
which of the following physiological responses follows eating a large meal?
pulse rate increases
peristalsis rate increases
enzyme production decreases
parasympathetic nervous activity decreases - ✔️✔️peristalsis rate increases
which of the following describes why liver failure is a critical health emergency?
the live produces the majority of digestive enzymes
food is filtered through the liver before digestion takes place
the liver helps digested food products to the pumped around the body
the liver filers digestion products and produces urea as waste - ✔️✔️the liver filers
digestion products and produces urea as waste