Bio 204 Purdue

Describe the overall anatomy of the respiratory, from the nose to the alveoli - correct answer Nose Pharynx Larynx Trachea Bronchi Bronchioles Alveolar Ducts Alveoli Describe the cells that line various parts of the respiratory system, from the nose to the alveoli - correct answer Nose: lined with mucous membrane, remainder of the mucous membrane is lined with pseudostratified ciliated columnar epithelium containing goblet cells Pharynx: Oropharynx and laryngopharynx lined with...

high H+ - correct answer What stimulates the central chemoreceptors simple squamous - correct answer In the alveoli the epithelium is __________________, relaxes, decreases - correct answer When the diaphragm _________________, air leaves the lungs and the volume of the thorax ___________________. pulmonary surfactant, lower - correct answer The most important component of alveolar fluid is a substance called _______________. Its function is to __________ surface tension. car...

Define ventilation. - correct answer Air exchange between atmosphere and alveoli Define phonation. - correct answer Vibration of true vocal cords Define pitch and explain how a high pitch can be produced. - correct answer Rate of vibration- high: shorter, thinner, tighter cords Define volume as it applies to the respiratory system. - correct answer Loudness - force of air flow; causes greater vocal cord displacement Define resonance. What is the function of resonance? - corr...

Pathogen - correct answer an organism that can cause disease in another organism Examples of a pathogen - correct answer Viruses, bacteria, parasites Infectious disease - correct answer caused when a pathogen such as bacterium, virus, or parasite invades the body and multiplies in cells and tissues Transmissible disease - correct answer infection bacterial or viral disease that can be transmitted from one person to another Nontransmissible disease - correct answer Caused by...

platelet - correct answer involved in the process of blood clotting eosinophil - correct answer destroy larger parasites erythrocyte - correct answer lack nuclei neutrophil - correct answer first line of defense against invading bacteria what three major components make up a blood clot? - correct answer platelet, cells, fibrin platelets break are fragments of a very large cell called a ______________. These large cells are found in the _____________. - correct answer m...

If the partial pressure of oxygen in inspired air is 150 mm Hg compared with 110 mmHg in alveolar air, what is the most likely value for expired air? A. 125 B. 104 C. 80 D. 180 - correct answer A. Pulmonary surfactant: A. causes atelectasis when secreted in excessive amounts B. contains carbonic anhydrase C. is secreted by type II alveolar epithelial cells D. contains a mixture of carbohydrates - correct answer C. Atelectasis is... A. pulmonary embolism B. hypoventilation C...

If the partial pressure of oxygen in inspired air is 150 mm Hg compared with 110 mmHg in alveolar air, what is the most likely value for expired air? A. 125 B. 104 C. 80 D. 180 - correct answer A. Pulmonary surfactant: A. causes atelectasis when secreted in excessive amounts B. contains carbonic anhydrase C. is secreted by type II alveolar epithelial cells D. contains a mixture of carbohydrates - correct answer C. Atelectasis is... A. pulmonary embolism B. hypoventilation C...

Describe the 4 major activities of the digestive system. - correct answer 1-Motility: Movement of the digestive tract that are necessary for transporting the food and its digestive residues from one end to the other. 2-Secretion: Carried out by exocrine glands. 3-Digestion: Process whereby large molecules are converted into smaller ones. 4-Absorption: The products of digestion are transferred to the blood or lymph, for distribution to the cells of the body. List the forms to which the t...

Nutrition definition - correct answer the process of providing or obtaining the food necessary for health and growth. Digestion definition - correct answer It is the catabolic process that breaks down large food molecules to monomers (chemical building blocks) -carbohydrates—> monosaccharide -proteins—> amino acids -lipids—> fatty acid, Glycerol -nucleic acids—> nucleotide *the enzymatic breakdown of any food molecule is HYDROLYSIS bc it involves adding a wate...

Which of the following hormones is secreted by granulosa cells? A. testosterone B. follicle stimulating hormone C. estrogen D. luteinizing hormone - correct answer C Penile erection is a parasympathetic reflex which involves... A. norepinephrine, cAMP B. nitric oxide, cGMP C. norepinephrine, GMP D. nitric oxide, cAMP - correct answer B How many spermatozoa are produced from one primary spermatocyte? A. one B. two C. three D. four - correct answer D Justin's Y chromosom...