ATI TEAS 6th Edition- Science 1 Flashcards

Which of the following pairs correctly matches a cellular organelle with its function?

A. Golgi apparatus- protein synthesis
B. Smooth endoplasmic reticulum- energy production
C. Cytoskeleton - movement
D. Cell membrane- storage

Which of the following describes an anatomical relationship between two structures in the human body?

A. The mouth is anterior to the nose.
B. The ribs are lateral to the sternum.
C. The patella is inferior to the tibia.
D. Muscles are superficial to skin.

Which of these organs is directly involved in synthesis of red blood cells in an adult?

A. Liver
B. Spleen
C. Bone marrow
D. Lymph nodes

At the end of a sprint, a runner breathes hard because the medulla oblongata senses which of the following?

A. Low oxygen levels in the blood
B. Low carbon dioxide levels in the blood
C. Blood becoming more alkaline
D. Blood becoming more acidic

Which of the following situations would result in increased oxygen diffusion from alveoli into blood?

A. Increase in perfusion and decrease in ventilation
B. Increase in oxygen concentration of blood
C. Reduction in alveolar surface area
D. Reduction in residual volume of the lung

Match the following respiratory system effects to their most probable cause.

A. Walking pneumonia 1. Coronavirus
B. Cystic Fibrosis 2. Mycobacterium
C. Influenza 3. Gene Mutation
D. Tuberculosis 4. Fungus
E. Mycosis 5. Mycoplasmic infection

Which of the following describes a property of cardiac cells?

A. Generation of electrical impulses
B. Production of red blood cells
C. Immune protection functions
D. Removal of waste products from the body

Which of the following blood component levels would be expected to increase following vaccination?

A. Red blood cells
B. Antibodies
C. Dissolved gasses
D. Leukocytes

Which of the following statements regarding the circulatory system is correct?

A. The sinoatrial node is present in the top section of the right atrium.
B. Veins returning to the heart carry deoxygenated blood.
C. The heart's "lub-dub" sound is caused by electrical impulse generation.
D. The heart's atria have thicker walls than the ventricles.

Which of the following physiological responses follows eating a large meal?

A. Pulse rate increases.
B. Peristalsis rate increases.
C. Enzyme production decreases.
D. Parasympathetic nervous activity decreases.

Which of the following describes why liver failure is a critical health emergency?

A. The liver produces the majority of digestive enzymes.
B. Food is filtered through the liver before digestion takes place.
C. The liver helps digested food products to be pumped around the body.
D. The liver filters digestion products and produces urea as waste.

Which of the following actions is controlled by the autonomic nervous system?

A. Walking

B. Chewing

C. Heart Beating

D. Talking

Which of the following processes best describes how a signal travels across a nerve synapse?

A. Electrical

B. Kinetic

C. Potential

D. Chemical

What is the primary component of muscles?

A. Fat

B. Protein

C. Carbohydrates

D. Nucleic Acid

Which of the following organs produces sperm?

A. Penis

B. Testes

C. Prostate

D. Vas deferens

Which of the following connects the ovaries and uterus?

A. Vagina

B. Cervix

C. Vas deferens

D. Fallopian tubes

In which of the following organs is estrogen primarily made?

A. Testicles

B. Uterus

C. Scrotum

D. Ovaries

Which of the following is the outermost layer of the skin?

A. Dermis

B. Sudoriferous

C. Sebaceous

D. Epidermis

Which of the following is not excreted through the integumentary system?

A. Alcohol

B. Minerals

C. Blood

D. Urea

Which of the following mechanisms is used when the body becomes too cold?

A. Blood vessel dilation

B. Sweating

C. Blood vessel constriction

D. Vitamin D production

Which of the following describes the signal employed by the endocrine system?

A. Electrical

B. Chemical

C. Physical

D. Audio-visual

Which of the following is not a gland in the endocrine system?

A. Pineal

B. Hypothalamus

C. Lung

D. Ovary

Describe how a gland sends a message:

Which of the following organs function as part of the genitourinary system to maintain blood pressure?

A. Heart

B. Kidney

C. Urinary bladder

D. Ureter

Which of the following parts of the genitourinary system also transports sperm?

A. Kidney

B. Ureter

C. Urinary Bladder

D. Urethra

Which of the following organs filters blood and creates urine?

A. Heart

B. Urinary bladder

C. Lungs

D. Kidney

Which of the following are innate immune system cells that attack host cells harboring an intracellular pathogen?

A. Natural killer cells

B. Cytotoxic T-cells

C. Plasma Cells

D. Dendritic cells

Which of the following is a nonspecific immune response?

A. Antibody secretion by plasma cells

B. Cytokine secretion by T-cells

C. Antigen recognition by B-cells

D. Cytokine-mediated inflammation

Which terms are innate or adaptive immune system components.

A. Leukocytes, Monocytes, Dendric cells, NK cells, Complement, Inflammation, Phagocytosis, Toll-like receptors, Interferons, PAMPs, Antimicrobial proteins, Physical barriers, Chemical secretions, Lysoyme

B. Lymphocytes, B-cells, Cytotoxic T-cells, Plasma cells, Memory cells, Antibodies, Helper T-Cells

Which of the following cells is involved in mineral resorption from bone?

A. Osteoclasts

B. Osteoblasts

C. Canaliculi

D. Osteon

Which of the following bones articulate at a synovial joint?

A. Skull bones

B. Radius and ulna

C. Bones of the pubis

D. Humerus and scapula

Label the bones of a skeleton.