Pharyngeal arches Study guides, Class notes & Summaries

What good substances cross the placental membrane? - Answer O2, CO2, H2O, bilirubin, maternal serum proteins, RBc, IgG, IgA What harmful substances cross the placental membrane? - Answer 1) viruses: rubella, HIV, measles, oral conraception, WARFARIN, DILANTIN, Xanax, cocaine, heroin, RH-antibodies What does not cross the placental membrane? - Answer maternal chplesterol, Insulin, Succinylcholine, HEPARIN, bacteria Which vessel supplies blood to the fetus? - Answer umbilical vein Whic...

What is swallowing/deglutition - ANSWER-All processes, functons and acts associated with introducton of food/material to be swallowed, including preparing, transferring, and transporting to stomach What is a bolus - ANSWER-food, liquid, or material placed in mouth for ingestion What is dysphagia - ANSWER-- the result of a physiologic change in the muscles needed for swallowing - a swallowing disorder that may involve signs and symptoms of mouth, pharynx, larynx, and/or esophagus Example ...

During development from fertilization to birth there are several stages. During which stage does most organ growth occur? CORRECT ANSWER fetal The pharyngeal arches first appear during the fourth week in utero. Each arch has structures associated with it. Which of the following gives the best description of the structures included in each arch during the embryonic period being careful to restrict your answer to only the embryonic period? CORRECT ANSWER cartilage, muscle, blood vessels and a n...

Embryology Exam | Actual Questions with Answers| updated 2023/24 1. The part of the sperm containing proteolytic enzymes to digest the zona pellucida is the: A. capacitor B. head C. corona D. acrosome E. cumulus - D. is correct. The acrosome is the part of the sperm containing proteolytic enzymes to digest the zona pellucida. It is exposed by the process of capacitation. Then, under the influence of substances released by corona radiata cells, it releases its proteolytic enzymes a...

Part I Spinal Anatomy Practice Exam - Questions & Answers (Scored A+) 100% Guaranteed Best Update 2024 Which of these bones does not articulate at the pterion? A. parietal B. sphenoid C. temporal D. zygomatic Which part of the occiput is located anterior to the foramen magnum? A. squamous B. condylar C. nuchal D. basilar The opening of the auditory tube is located in the _____. A. nasopharynx B. oropharynx C. laryngopharynx D. nasal cavity Which facet orientation allows fle...

1. The part of the sperm containing proteolytic enzymes to digest the zona pellucida is the: A. capacitor B. head C. corona D. acrosome E. cumulus D. is correct. The acrosome is the part of the sperm containing proteolytic enzymes to digest the zona pellucida. It is exposed by the process of capacitation. Then, under the influence of substances released by corona radiata cells, it releases its proteolytic enzymes and penetrates the oocyte. 2. The ovulated mammalian oocyte is arre...

Anatomy 1 AAMI QUESTIONS AND ANSWERS FINAL Arterial flow to the RIGHT upper extremity LV to ascending aorta to arch to innominate artery to R subclavian artery to R axillary artery to R brachial artery to split R radial artery + R ulnar artery to R superficial deep volar arches to R digital arteries Arterial flow to the LEFT upper extremity LV to ascending aorta to arch to L subclavian artery to L axillary to L brachial to split to L radial + L ulnar to L superficial deep volar arched to...

USMLE STEP 1 L AN G E Q &A™ SIXTH EDITIONMichael W. King, PhD Professor Department of Biochemistry and Molecular Biology Center for Regenerative Biology and Medicine Indiana University School of Medicine Terre Haute, Indiana USMLE STEP 1 L AN G E Q &A™ SIXTH EDITION New York Chicago San Francisco Lisbon London Madrid Mexico City Milan New Delhi San Juan Seoul Singapore Sydney Toronto Copyright © 2008 by The McGraw-Hill Companies, Inc. All rights reserved. Manufactured in the Un...

WSU Biology 106 Final (Hellman&Carloye) Independent variable - ANS Value does not depend on another factor Dependent variable - ANS Value depends on another factor Controlled variable - ANS Kept the same throughout the experiment What are the two key tissues that allow plants to transport water or organic nutrients, respectively, over long distances? - ANS Xylem - water and minerals from roots to shoots Phloem - transports sugars from ...

USMLE TEST BANK With All Correct Answers 2023-2024 | Questions and Answers Latest Graded A+. What gland is found in the muscular triangle of the neck? Correct Answer: Thyroid gland Is an afferent or efferent pupillary defect described as B/L pupillary constriction when light is shined in the unaffected eye and B/L paradoxical dilation when light is shined in the affected eye? Correct Answer: Afferent pupillary defect (CN II lesion); in an efferent pupillary defect (CN III), B/L constrict whe...